'''
配置log输出格式 time - loglevel - file - func - line - msg
支持输出到 log 文件及屏幕
支持返回一个 logger
'''

import time
import logging
import os
from common.consts import BASE_PATH as base_path
from config.config import Config

class Log:
    @classmethod
    def _config(cls):
        c = Config()
        log_dir = os.path.join(base_path, c.get_runtime("log_dir"))
        now = time.strftime("%Y-%m-%d", time.localtime(time.time()))
        log_file = os.path.join(log_dir, now + ".log")

        #获取一个标准的logger，配置loglevel
        cls.logger = logging.getLogger()
        cls.logger.setLevel(eval("logging." + c.get_runtime("log_level").upper()))

        #建立不同 handler
        file_handler = logging.FileHandler(log_file, mode="a", encoding='utf-8')
        console_handler = logging.StreamHandler()

        #定义输出格式
        format = logging.Formatter("%(asctime)s - %(filename)s[line:%(lineno)d] - %(levelname)s: %(message)s")
        file_handler.setFormatter(format)
        console_handler.setFormatter(format)

        #把定义handler 添加到我们logger
        cls.logger.addHandler(file_handler)
        cls.logger.addHandler(console_handler)


    @classmethod
    def get_logger(cls):
        cls._config()
        return cls.logger




if __name__ == '__main__':
    logger = Log.get_logger()
    logger.error('我是一个错误')
    logger.warning('我是警告级别')
    logger.debug('我是调试级别')
    logger.info('我是输入级别')
    logger.fatal('我是致命级别')

